abc123 Install the extension, open the background, open it without success, and then you can't open the website. How to fix it. 2.0.02 Website Tips Flarum encountered a boot error. Details have been logged to the Flarum log file.
GreXXL abc123 first you should follow the troubleshooting guide. Also I want to make you aware that Flarum 2 Beta versions are not intended for non-developers. Support will thus be limited. I recommend to use Flarum 1.8.9.
